CPC Main Group Additional Only
C01P 2006/00 Physical properties of inorganic compounds
Filing statistics
CPC C01P 2006/00 belongs to the parent subclass C01P, which recorded 134,252 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,057 in 2013 to 14,980 in 2023 (+147%), peaking at 15,948 applications in 2022. The most active applicants in class C01 are CHINESE ACADEMY OF SCIENCES (4,293 applications), LG CHEM (3,317 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (2,219 applications).
Source: EPO PATSTAT, worldwide filings
17 direct subcodes
Child Classifications
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- C01P 2006/10 Solid density
- C01P 2006/11 Powder tap density
- C01P 2006/12 Surface area
- C01P 2006/14 Pore volume
- C01P 2006/16 Pore diameter
- C01P 2006/19 Oil-absorption capacity, e.g. DBP values
- C01P 2006/20 Powder free flowing behaviour
- C01P 2006/21 Attrition-index or crushing strength of granulates
- C01P 2006/22 Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
- C01P 2006/32 Thermal properties
- C01P 2006/40 Electric properties
- C01P 2006/42 Magnetic properties
- C01P 2006/44 Alpha, beta or gamma radiation related properties
- C01P 2006/60 Optical properties, e.g. expressed in CIELAB-values
- C01P 2006/80 Compositional purity
- C01P 2006/88 Isotope composition differing from the natural occurrence
- C01P 2006/90 Other properties not specified above
Top Applicants
Top 10 applicants by patent filingsfor class C01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 4,293
- LG CHEM KR 3,317
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,219
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,154
- OMYA INTERNATIONAL CH 1,524
- PANASONIC INTELLECTUAL PROPERTY JP 1,362
- SAUDI ARABIAN OIL COMPANY SA 1,298
- SUMITOMO METAL MINING COMPANY JP 1,286
- CENTRAL SOUTH UNIVERSITY 1,243
- L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,238